1. Typically the same hardware is used to perform ___________ addition.

a) integer and floating point

b) signed and unsigned

c) binary and floating point

d) single and double precision

2. The following number uses IEEE-32 bit floating-point format f = (-1)^S X 2^e-127 x m; what is the equivalent decimal value? ((1,01111110,00000000000000000000000)) *Please show work*

a) - 2

b) -0.5

c) -126

d) 0

3. Design a 1-bit ALU that can perform the following three operations. Indiate the operation code for each operation.

a) AND

b) XOR

c) Plus (arithmetic addition)

4. Extend the one-bit ALU to a 4-bit ALU. Include the circuitry to generate overflow flag and indicate the carry flag.